More historic than 9% of U.S. towns · #140 of 161 in Louisiana. What drives it
Most of Terrytown was built recently: 2% of its homes predate 1940 and the median home dates from 1976. Below: maps from 1891 on and the census since 1970.
On its age, its old homes and the National Register, Terrytown is more historic than 9% of U.S. towns, #140 of 161 in Louisiana. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
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HistoryA character grade: shown, never part of Terrytown’s overall grade.
Louisiana towns list more on the Register than most of the country (a typical Louisiana town has 3.8 per 10,000 residents, the U.S. 2.4), so Terrytown’s 0.0 sits below most of its state (21% of Louisiana towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share (±1.4 points) is firm at this size.
Founding year: our sources. Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Terrytown’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Terrytown. Tap a year, or press play to watch the town change.
1891New Orleans sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Terrytown.
The story so far
Terrytown, in brief
Wikipedia doesn’t have a history of Terrytown yet. The photos, dates and memories neighbors add here are how it gets written.
Terrytown is an unincorporated community and census-designated place (CDP) in Jefferson Parish, Louisiana, United States. It is on the "Westbank" (to the south) of the Mississippi River. It is a suburb within the New Orleans–Metairie–Kenner metropolitan statistical area. The population was 23,319 at the 2010 census, and 25,278 in 2020. Terrytown was opened to a media tour on March 5, 1960, showcasing the newest of concepts in home construction at the time, with the original homes having all plumbing in one wall. The community was opened to the public and considered founded on March 6, 1960, by subdivision developer Paul Kapelow, who named the town after his first daughter, Terry Kapelow. Te…
Between the 2010 and 2020 censuses its population grew from 23,319 to 25,278 (+8%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Terrytown is more historic than 9% of U.S. towns, #140 of 161 in Louisiana. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
How old are the homes in Terrytown?
2% of Terrytown’s homes were built before 1940 (Census estimate, ±1.4 points), against a typical 3.4% for a Louisiana town; the median home was built in 1976.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021).
From Wikimedia Commons (12), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.